Finding the Fourth Proportional to 16,003.80, 22,438.13 and 16,003.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,003.80 : 22,438.13 = 16,003.80 : x
2. Step 2: Convert to fraction form
   16,003.80/22,438.13 = 16,003.80/x
3. Step 3: Cross multiply
   16,003.80x = 22,438.13 × 16,003.80
4. Step 4: Simplify right side
   16,003.80x = 359,095,264.88
5. Step 5: Solve for x
   x = 359,095,264.88/16,003.80
6. Step 6: Final answer
   x = 22,438.13